10007-2121 DON 380

 
 
10h 00m 38.92s -21 20' 22.7" P.A. 281 sep 2.6 mag 10.30,14.30
 
 
Coord 2000
10007-2121
Discov num
DON 380
Comp
Coord arcsec 2000
10 00 38.92 -21 20 22.7
Date first
1930
Date last
1940
Obs
2
Pa first
281
Pa last
281
P.A. Now (θ)
281°
Sep first
2.4
Sep last
2.6
Sep. Now (ρ)
2.6"
Mag pri
10.30
Mag sec
14.30
delta mag (ΔM)
4
Spectral class
Pri motion ra
-031
Sec motion ra
Pri motion dec
-003
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
281.4
Precise sep
2.59
Cdsa2 id
DON 380
Constellation
Hydra
Tycho2
6058-00724-1
Ra deg
10.010811111111112
De deg
-21.33963888888889
last precise pa
281.4
last precise sep
2.59
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
10007-2121 DON 380 1940 2 281 2.6 10.30 14.30 100038.92-212022.7

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